/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 01:42:01,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 01:42:01,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 01:42:01,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 01:42:01,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 01:42:01,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 01:42:01,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 01:42:01,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 01:42:01,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 01:42:01,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 01:42:01,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 01:42:01,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 01:42:01,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 01:42:01,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 01:42:01,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 01:42:01,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 01:42:01,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 01:42:01,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 01:42:01,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 01:42:01,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 01:42:01,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 01:42:01,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 01:42:01,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 01:42:01,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 01:42:01,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 01:42:01,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 01:42:01,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 01:42:01,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 01:42:01,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 01:42:01,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 01:42:01,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 01:42:01,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 01:42:01,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 01:42:01,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 01:42:01,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 01:42:01,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 01:42:01,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 01:42:01,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 01:42:01,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 01:42:01,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 01:42:01,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 01:42:01,981 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 01:42:01,997 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 01:42:01,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 01:42:01,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 01:42:01,997 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 01:42:01,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 01:42:01,998 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 01:42:01,998 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 01:42:01,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 01:42:01,998 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 01:42:01,998 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 01:42:01,998 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 01:42:01,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 01:42:01,998 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 01:42:01,999 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 01:42:01,999 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 01:42:01,999 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 01:42:01,999 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 01:42:01,999 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 01:42:01,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 01:42:01,999 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 01:42:02,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 01:42:02,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 01:42:02,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 01:42:02,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 01:42:02,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 01:42:02,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 01:42:02,000 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 01:42:02,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 01:42:02,001 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 01:42:02,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 01:42:02,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 01:42:02,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 01:42:02,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:42:02,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 01:42:02,002 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 01:42:02,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 01:42:02,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 01:42:02,003 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 01:42:02,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 01:42:02,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 01:42:02,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 01:42:02,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-04-01 01:42:02,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 01:42:02,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 01:42:02,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 01:42:02,238 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 01:42:02,238 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 01:42:02,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-04-01 01:42:03,251 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 01:42:03,666 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 01:42:03,667 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-04-01 01:42:03,707 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e04838fb1/41d4c9d3148241ca871adc7a71f1988d/FLAG3d62b2788 [2023-04-01 01:42:03,726 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e04838fb1/41d4c9d3148241ca871adc7a71f1988d [2023-04-01 01:42:03,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 01:42:03,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 01:42:03,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 01:42:03,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 01:42:03,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 01:42:03,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:42:03" (1/1) ... [2023-04-01 01:42:03,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570d1552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:42:03, skipping insertion in model container [2023-04-01 01:42:03,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:42:03" (1/1) ... [2023-04-01 01:42:03,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 01:42:03,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 01:42:06,050 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[378939,378952] [2023-04-01 01:42:06,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:42:06,282 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 01:42:06,687 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[378939,378952] [2023-04-01 01:42:06,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:42:06,820 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 01:42:06,825 INFO L208 MainTranslator]: Completed translation [2023-04-01 01:42:06,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:42:06 WrapperNode [2023-04-01 01:42:06,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 01:42:06,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 01:42:06,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 01:42:06,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 01:42:06,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:42:06" (1/1) ... [2023-04-01 01:42:06,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:42:06" (1/1) ... [2023-04-01 01:42:06,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:42:06" (1/1) ... [2023-04-01 01:42:06,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:42:06" (1/1) ... [2023-04-01 01:42:07,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:42:06" (1/1) ... [2023-04-01 01:42:07,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:42:06" (1/1) ... [2023-04-01 01:42:07,129 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:42:06" (1/1) ... [2023-04-01 01:42:07,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:42:06" (1/1) ... [2023-04-01 01:42:07,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 01:42:07,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 01:42:07,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 01:42:07,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 01:42:07,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:42:06" (1/1) ... [2023-04-01 01:42:07,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:42:07,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:42:07,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 01:42:07,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 01:42:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 01:42:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 01:42:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 01:42:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-01 01:42:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 01:42:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 01:42:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 01:42:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_up [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2023-04-01 01:42:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipetype_str [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_in_timeout [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_resubmit [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2023-04-01 01:42:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure write_iso_callback [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure starturbs [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_iso_write_urb [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure write_iso_tasklet [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_tasklet [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure req_timeout [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure atrdy_timeout [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_cmd [2023-04-01 01:42:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_probe [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_pre_reset [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_post_reset [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure bas_gigaset_init [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure bas_gigaset_exit [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-04-01 01:42:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gigaset_ops_6 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_5 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_5 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_4 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_3 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_4 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_2 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_7 [2023-04-01 01:42:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_5 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_5 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_5 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_5 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_5 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-04-01 01:42:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_35 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_36 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_37 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_38 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_39 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_40 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_41 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_42 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_43 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_44 [2023-04-01 01:42:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_45 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_46 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_47 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_48 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_49 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_50 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_51 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_52 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_53 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_54 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_55 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_56 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_57 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_58 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_59 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_60 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_61 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_62 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_63 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_64 [2023-04-01 01:42:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_65 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_66 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_67 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_68 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_69 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_70 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_71 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_72 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_73 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_74 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_75 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_76 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_77 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_78 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_79 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_80 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_81 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_82 [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-04-01 01:42:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_put [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_trim [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_new_rx_skb [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isowbuf_init [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isowbuf_freebytes [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isowbuf_startwrite [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isowbuf_donewrite [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isowbuf_putbits [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isowbuf_putflag [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isowbuf_getbytes [2023-04-01 01:42:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_bytes [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_bitstuff_byte [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_buildframe [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure trans_buildframe [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_buildframe [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_putbyte [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_flush [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_done [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_frag [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_unpack [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure trans_receive [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_receive [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_loop [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_123 [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_124 [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_125 [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_126 [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_127 [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_139 [2023-04-01 01:42:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_141 [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_143 [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_144 [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_145 [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_146 [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_147 [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_148 [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_149 [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-01 01:42:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_hi_schedule [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_blockdriver [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2023-04-01 01:42:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_fill_inbuf [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_handle_modem_response [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_if_receive [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcs [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initdriver [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isdn_rcv_err [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_shutdown [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_skb_rcvd [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_skb_sent [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_start [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_stop [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_6 [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 01:42:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2023-04-01 01:42:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-01 01:42:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2023-04-01 01:42:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-04-01 01:42:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-04-01 01:42:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-01 01:42:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 01:42:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 01:42:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 01:42:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 01:42:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 01:42:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 01:42:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 01:42:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 01:42:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 01:42:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 01:42:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-01 01:42:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-01 01:42:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-04-01 01:42:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-01 01:42:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-01 01:42:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-01 01:42:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 01:42:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 01:42:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 01:42:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 01:42:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 01:42:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 01:42:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 01:42:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 01:42:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 01:42:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 01:42:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 01:42:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 01:42:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-01 01:42:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_42 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_43 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_49 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_56 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_58 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_45 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_48 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_60 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_62 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_70 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_71 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_72 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_73 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_75 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_76 [2023-04-01 01:42:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_77 [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_78 [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_74 [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_79 [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2023-04-01 01:42:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gigaset_ops_6 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_5 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_5 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_4 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_3 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_4 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_2 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_7 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_5 [2023-04-01 01:42:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_5 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_5 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_5 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_5 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2023-04-01 01:42:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_41 [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_35 [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_39 [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_40 [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_36 [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_37 [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_38 [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_hi_schedule [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2023-04-01 01:42:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_receive [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_buildframe [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isowbuf_init [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isowbuf_getbytes [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_skb_sent [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initdriver [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_blockdriver [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcs [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_start [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_stop [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_shutdown [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_up [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_fill_inbuf [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-04-01 01:42:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_81 [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_82 [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_63 [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_64 [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_65 [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_66 [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_67 [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_68 [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_44 [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_46 [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_47 [2023-04-01 01:42:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_50 [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_51 [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_52 [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_53 [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_54 [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_55 [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_57 [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_59 [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_61 [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_69 [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_80 [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_probe [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_pre_reset [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_post_reset [2023-04-01 01:42:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipetype_str [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_in_timeout [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_resubmit [2023-04-01 01:42:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure write_iso_callback [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure starturbs [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure submit_iso_write_urb [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure write_iso_tasklet [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_tasklet [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure req_timeout [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure atrdy_timeout [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_cmd [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2023-04-01 01:42:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure bas_gigaset_init [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure bas_gigaset_exit [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_6 [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_123 [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_125 [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_124 [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_127 [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_126 [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_141 [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_149 [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_143 [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_139 [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_147 [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_148 [2023-04-01 01:42:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_put [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_trim [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_144 [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_145 [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_146 [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_skb_rcvd [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isdn_rcv_err [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_handle_modem_response [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_new_rx_skb [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_if_receive [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure isowbuf_freebytes [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure isowbuf_startwrite [2023-04-01 01:42:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure isowbuf_donewrite [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure isowbuf_putbits [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure isowbuf_putflag [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure dump_bytes [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_bitstuff_byte [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_buildframe [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure trans_buildframe [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_putbyte [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_flush [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_done [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_frag [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_unpack [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure trans_receive [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_loop [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-01 01:42:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 01:42:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-01 01:42:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 01:42:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 01:42:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 01:42:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 01:42:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 01:42:08,117 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 01:42:08,122 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 01:42:08,452 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 01:42:13,927 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 01:42:16,952 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 01:42:16,952 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-04-01 01:42:16,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:42:16 BoogieIcfgContainer [2023-04-01 01:42:16,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 01:42:16,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 01:42:16,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 01:42:16,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 01:42:16,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 01:42:03" (1/3) ... [2023-04-01 01:42:16,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b2a93d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:42:16, skipping insertion in model container [2023-04-01 01:42:16,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:42:06" (2/3) ... [2023-04-01 01:42:16,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b2a93d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:42:16, skipping insertion in model container [2023-04-01 01:42:16,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:42:16" (3/3) ... [2023-04-01 01:42:16,964 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-04-01 01:42:16,980 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 01:42:16,980 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 01:42:17,054 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 01:42:17,059 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d0c7da8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 01:42:17,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 01:42:17,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 3045 states, 1808 states have (on average 1.301438053097345) internal successors, (2353), 1894 states have internal predecessors, (2353), 954 states have call successors, (954), 250 states have call predecessors, (954), 249 states have return successors, (945), 913 states have call predecessors, (945), 945 states have call successors, (945) [2023-04-01 01:42:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-04-01 01:42:17,087 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:42:17,088 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:42:17,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:42:17,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:42:17,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1676435073, now seen corresponding path program 1 times [2023-04-01 01:42:17,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:42:17,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660529753] [2023-04-01 01:42:17,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:42:17,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:42:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:42:17,976 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-04-01 01:42:17,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:42:17,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660529753] [2023-04-01 01:42:17,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660529753] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:42:17,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:42:17,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:42:17,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693179136] [2023-04-01 01:42:17,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:42:17,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:42:17,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:42:18,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:42:18,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:42:18,029 INFO L87 Difference]: Start difference. First operand has 3045 states, 1808 states have (on average 1.301438053097345) internal successors, (2353), 1894 states have internal predecessors, (2353), 954 states have call successors, (954), 250 states have call predecessors, (954), 249 states have return successors, (945), 913 states have call predecessors, (945), 945 states have call successors, (945) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-01 01:42:20,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:42:20,239 INFO L93 Difference]: Finished difference Result 4944 states and 6985 transitions. [2023-04-01 01:42:20,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:42:20,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 153 [2023-04-01 01:42:20,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:42:20,265 INFO L225 Difference]: With dead ends: 4944 [2023-04-01 01:42:20,265 INFO L226 Difference]: Without dead ends: 2957 [2023-04-01 01:42:20,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:42:20,283 INFO L413 NwaCegarLoop]: 2386 mSDtfsCounter, 1728 mSDsluCounter, 2185 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1728 SdHoareTripleChecker+Valid, 4571 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-04-01 01:42:20,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1728 Valid, 4571 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-04-01 01:42:20,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2957 states. [2023-04-01 01:42:20,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2957 to 2954. [2023-04-01 01:42:20,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2954 states, 1766 states have (on average 1.2944507361268403) internal successors, (2286), 1842 states have internal predecessors, (2286), 886 states have call successors, (886), 303 states have call predecessors, (886), 301 states have return successors, (884), 839 states have call predecessors, (884), 884 states have call successors, (884) [2023-04-01 01:42:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 2954 states and 4056 transitions. [2023-04-01 01:42:20,448 INFO L78 Accepts]: Start accepts. Automaton has 2954 states and 4056 transitions. Word has length 153 [2023-04-01 01:42:20,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:42:20,451 INFO L495 AbstractCegarLoop]: Abstraction has 2954 states and 4056 transitions. [2023-04-01 01:42:20,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-01 01:42:20,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2954 states and 4056 transitions. [2023-04-01 01:42:20,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-04-01 01:42:20,460 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:42:20,460 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:42:20,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 01:42:20,460 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:42:20,461 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:42:20,461 INFO L85 PathProgramCache]: Analyzing trace with hash 945997939, now seen corresponding path program 1 times [2023-04-01 01:42:20,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:42:20,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691806769] [2023-04-01 01:42:20,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:42:20,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:42:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:42:20,943 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-04-01 01:42:20,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:42:20,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691806769] [2023-04-01 01:42:20,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691806769] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:42:20,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:42:20,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:42:20,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649980883] [2023-04-01 01:42:20,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:42:20,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:42:20,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:42:20,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:42:20,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:42:20,946 INFO L87 Difference]: Start difference. First operand 2954 states and 4056 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-01 01:42:23,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:42:23,036 INFO L93 Difference]: Finished difference Result 7822 states and 10800 transitions. [2023-04-01 01:42:23,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:42:23,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 161 [2023-04-01 01:42:23,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:42:23,066 INFO L225 Difference]: With dead ends: 7822 [2023-04-01 01:42:23,066 INFO L226 Difference]: Without dead ends: 4923 [2023-04-01 01:42:23,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:42:23,083 INFO L413 NwaCegarLoop]: 2287 mSDtfsCounter, 1851 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 4459 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-01 01:42:23,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 4459 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-01 01:42:23,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4923 states. [2023-04-01 01:42:23,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4923 to 4908. [2023-04-01 01:42:23,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4908 states, 2970 states have (on average 1.3127946127946128) internal successors, (3899), 3122 states have internal predecessors, (3899), 1446 states have call successors, (1446), 493 states have call predecessors, (1446), 491 states have return successors, (1446), 1354 states have call predecessors, (1446), 1444 states have call successors, (1446) [2023-04-01 01:42:23,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4908 states to 4908 states and 6791 transitions. [2023-04-01 01:42:23,415 INFO L78 Accepts]: Start accepts. Automaton has 4908 states and 6791 transitions. Word has length 161 [2023-04-01 01:42:23,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:42:23,417 INFO L495 AbstractCegarLoop]: Abstraction has 4908 states and 6791 transitions. [2023-04-01 01:42:23,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-01 01:42:23,418 INFO L276 IsEmpty]: Start isEmpty. Operand 4908 states and 6791 transitions. [2023-04-01 01:42:23,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-04-01 01:42:23,421 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:42:23,421 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:42:23,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 01:42:23,422 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:42:23,423 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:42:23,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1303273756, now seen corresponding path program 1 times [2023-04-01 01:42:23,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:42:23,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247246599] [2023-04-01 01:42:23,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:42:23,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:42:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:42:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-04-01 01:42:24,616 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:42:24,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247246599] [2023-04-01 01:42:24,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247246599] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:42:24,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:42:24,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 01:42:24,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855488879] [2023-04-01 01:42:24,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:42:24,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 01:42:24,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:42:24,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 01:42:24,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 01:42:24,617 INFO L87 Difference]: Start difference. First operand 4908 states and 6791 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-01 01:42:26,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:42:26,677 INFO L93 Difference]: Finished difference Result 5407 states and 7439 transitions. [2023-04-01 01:42:26,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 01:42:26,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 164 [2023-04-01 01:42:26,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:42:26,700 INFO L225 Difference]: With dead ends: 5407 [2023-04-01 01:42:26,701 INFO L226 Difference]: Without dead ends: 5404 [2023-04-01 01:42:26,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:42:26,705 INFO L413 NwaCegarLoop]: 2316 mSDtfsCounter, 2081 mSDsluCounter, 2783 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 5099 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-01 01:42:26,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 5099 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-01 01:42:26,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5404 states. [2023-04-01 01:42:26,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5404 to 5352. [2023-04-01 01:42:26,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5352 states, 3264 states have (on average 1.3213848039215685) internal successors, (4313), 3426 states have internal predecessors, (4313), 1520 states have call successors, (1520), 577 states have call predecessors, (1520), 567 states have return successors, (1522), 1418 states have call predecessors, (1522), 1518 states have call successors, (1522) [2023-04-01 01:42:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5352 states to 5352 states and 7355 transitions. [2023-04-01 01:42:26,893 INFO L78 Accepts]: Start accepts. Automaton has 5352 states and 7355 transitions. Word has length 164 [2023-04-01 01:42:26,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:42:26,893 INFO L495 AbstractCegarLoop]: Abstraction has 5352 states and 7355 transitions. [2023-04-01 01:42:26,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-01 01:42:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 5352 states and 7355 transitions. [2023-04-01 01:42:26,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-04-01 01:42:26,897 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:42:26,897 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:42:26,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 01:42:26,898 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:42:26,902 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:42:26,902 INFO L85 PathProgramCache]: Analyzing trace with hash 62149882, now seen corresponding path program 1 times [2023-04-01 01:42:26,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:42:26,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019663621] [2023-04-01 01:42:26,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:42:26,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:42:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:42:27,686 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-04-01 01:42:27,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:42:27,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019663621] [2023-04-01 01:42:27,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019663621] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:42:27,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:42:27,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:42:27,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246715893] [2023-04-01 01:42:27,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:42:27,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:42:27,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:42:27,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:42:27,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:42:27,698 INFO L87 Difference]: Start difference. First operand 5352 states and 7355 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 01:42:30,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:42:30,133 INFO L93 Difference]: Finished difference Result 10639 states and 14634 transitions. [2023-04-01 01:42:30,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 01:42:30,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 211 [2023-04-01 01:42:30,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:42:30,177 INFO L225 Difference]: With dead ends: 10639 [2023-04-01 01:42:30,177 INFO L226 Difference]: Without dead ends: 5350 [2023-04-01 01:42:30,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:42:30,195 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 3831 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 1050 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3831 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1050 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-01 01:42:30,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3831 Valid, 2268 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1050 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-01 01:42:30,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5350 states. [2023-04-01 01:42:30,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5350 to 5350. [2023-04-01 01:42:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5350 states, 3265 states have (on average 1.3188361408882083) internal successors, (4306), 3423 states have internal predecessors, (4306), 1516 states have call successors, (1516), 578 states have call predecessors, (1516), 568 states have return successors, (1518), 1418 states have call predecessors, (1518), 1514 states have call successors, (1518) [2023-04-01 01:42:30,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5350 states to 5350 states and 7340 transitions. [2023-04-01 01:42:30,466 INFO L78 Accepts]: Start accepts. Automaton has 5350 states and 7340 transitions. Word has length 211 [2023-04-01 01:42:30,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:42:30,467 INFO L495 AbstractCegarLoop]: Abstraction has 5350 states and 7340 transitions. [2023-04-01 01:42:30,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 01:42:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand 5350 states and 7340 transitions. [2023-04-01 01:42:30,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-04-01 01:42:30,471 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:42:30,472 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:42:30,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 01:42:30,472 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:42:30,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:42:30,473 INFO L85 PathProgramCache]: Analyzing trace with hash -409189323, now seen corresponding path program 1 times [2023-04-01 01:42:30,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:42:30,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265316616] [2023-04-01 01:42:30,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:42:30,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:42:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:42:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-04-01 01:42:31,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:42:31,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265316616] [2023-04-01 01:42:31,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265316616] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:42:31,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:42:31,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:42:31,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230777894] [2023-04-01 01:42:31,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:42:31,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:42:31,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:42:31,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:42:31,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:42:31,271 INFO L87 Difference]: Start difference. First operand 5350 states and 7340 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 01:42:33,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:42:33,721 INFO L93 Difference]: Finished difference Result 10631 states and 14602 transitions. [2023-04-01 01:42:33,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 01:42:33,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 212 [2023-04-01 01:42:33,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:42:33,748 INFO L225 Difference]: With dead ends: 10631 [2023-04-01 01:42:33,748 INFO L226 Difference]: Without dead ends: 5346 [2023-04-01 01:42:33,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:42:33,767 INFO L413 NwaCegarLoop]: 2243 mSDtfsCounter, 3827 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 1047 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3827 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1047 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-01 01:42:33,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3827 Valid, 2265 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1047 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-01 01:42:33,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5346 states. [2023-04-01 01:42:33,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5346 to 5346. [2023-04-01 01:42:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5346 states, 3265 states have (on average 1.3176110260336906) internal successors, (4302), 3419 states have internal predecessors, (4302), 1512 states have call successors, (1512), 578 states have call predecessors, (1512), 568 states have return successors, (1514), 1418 states have call predecessors, (1514), 1510 states have call successors, (1514) [2023-04-01 01:42:34,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5346 states to 5346 states and 7328 transitions. [2023-04-01 01:42:34,004 INFO L78 Accepts]: Start accepts. Automaton has 5346 states and 7328 transitions. Word has length 212 [2023-04-01 01:42:34,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:42:34,006 INFO L495 AbstractCegarLoop]: Abstraction has 5346 states and 7328 transitions. [2023-04-01 01:42:34,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 01:42:34,007 INFO L276 IsEmpty]: Start isEmpty. Operand 5346 states and 7328 transitions. [2023-04-01 01:42:34,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-04-01 01:42:34,010 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:42:34,010 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:42:34,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 01:42:34,010 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:42:34,010 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:42:34,010 INFO L85 PathProgramCache]: Analyzing trace with hash -358604254, now seen corresponding path program 1 times [2023-04-01 01:42:34,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:42:34,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420499427] [2023-04-01 01:42:34,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:42:34,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:42:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:42:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-04-01 01:42:34,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:42:34,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420499427] [2023-04-01 01:42:34,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420499427] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:42:34,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:42:34,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:42:34,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092489119] [2023-04-01 01:42:34,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:42:34,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:42:34,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:42:34,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:42:34,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:42:34,794 INFO L87 Difference]: Start difference. First operand 5346 states and 7328 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 01:42:36,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:42:36,024 INFO L93 Difference]: Finished difference Result 10623 states and 14578 transitions. [2023-04-01 01:42:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 01:42:36,024 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 213 [2023-04-01 01:42:36,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:42:36,055 INFO L225 Difference]: With dead ends: 10623 [2023-04-01 01:42:36,055 INFO L226 Difference]: Without dead ends: 5342 [2023-04-01 01:42:36,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:42:36,074 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 2500 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2500 SdHoareTripleChecker+Valid, 2262 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 01:42:36,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2500 Valid, 2262 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 01:42:36,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5342 states. [2023-04-01 01:42:36,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5342 to 5342. [2023-04-01 01:42:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5342 states, 3265 states have (on average 1.3163859111791731) internal successors, (4298), 3415 states have internal predecessors, (4298), 1508 states have call successors, (1508), 578 states have call predecessors, (1508), 568 states have return successors, (1510), 1418 states have call predecessors, (1510), 1506 states have call successors, (1510) [2023-04-01 01:42:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5342 states to 5342 states and 7316 transitions. [2023-04-01 01:42:36,312 INFO L78 Accepts]: Start accepts. Automaton has 5342 states and 7316 transitions. Word has length 213 [2023-04-01 01:42:36,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:42:36,313 INFO L495 AbstractCegarLoop]: Abstraction has 5342 states and 7316 transitions. [2023-04-01 01:42:36,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 01:42:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 5342 states and 7316 transitions. [2023-04-01 01:42:36,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-04-01 01:42:36,317 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:42:36,317 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:42:36,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 01:42:36,317 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:42:36,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:42:36,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1308235875, now seen corresponding path program 1 times [2023-04-01 01:42:36,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:42:36,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628497408] [2023-04-01 01:42:36,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:42:36,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:42:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:42:37,022 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-04-01 01:42:37,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:42:37,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628497408] [2023-04-01 01:42:37,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628497408] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:42:37,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:42:37,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:42:37,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380728886] [2023-04-01 01:42:37,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:42:37,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:42:37,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:42:37,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:42:37,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:42:37,023 INFO L87 Difference]: Start difference. First operand 5342 states and 7316 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 01:42:39,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:42:39,458 INFO L93 Difference]: Finished difference Result 10377 states and 14210 transitions. [2023-04-01 01:42:39,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 01:42:39,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 214 [2023-04-01 01:42:39,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:42:39,479 INFO L225 Difference]: With dead ends: 10377 [2023-04-01 01:42:39,479 INFO L226 Difference]: Without dead ends: 5100 [2023-04-01 01:42:39,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:42:39,497 INFO L413 NwaCegarLoop]: 2194 mSDtfsCounter, 3749 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 1021 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3749 SdHoareTripleChecker+Valid, 2216 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1021 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-01 01:42:39,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3749 Valid, 2216 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1021 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-01 01:42:39,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5100 states. [2023-04-01 01:42:39,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5100 to 5100. [2023-04-01 01:42:39,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5100 states, 3127 states have (on average 1.3169171730092741) internal successors, (4118), 3265 states have internal predecessors, (4118), 1420 states have call successors, (1420), 560 states have call predecessors, (1420), 552 states have return successors, (1422), 1336 states have call predecessors, (1422), 1418 states have call successors, (1422) [2023-04-01 01:42:39,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5100 states to 5100 states and 6960 transitions. [2023-04-01 01:42:39,824 INFO L78 Accepts]: Start accepts. Automaton has 5100 states and 6960 transitions. Word has length 214 [2023-04-01 01:42:39,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:42:39,824 INFO L495 AbstractCegarLoop]: Abstraction has 5100 states and 6960 transitions. [2023-04-01 01:42:39,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 01:42:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 5100 states and 6960 transitions. [2023-04-01 01:42:39,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-04-01 01:42:39,829 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:42:39,829 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:42:39,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 01:42:39,829 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:42:39,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:42:39,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1403154328, now seen corresponding path program 1 times [2023-04-01 01:42:39,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:42:39,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908833006] [2023-04-01 01:42:39,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:42:39,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:42:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:42:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-04-01 01:42:40,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:42:40,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908833006] [2023-04-01 01:42:40,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908833006] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:42:40,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:42:40,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:42:40,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721293139] [2023-04-01 01:42:40,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:42:40,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:42:40,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:42:40,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:42:40,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:42:40,476 INFO L87 Difference]: Start difference. First operand 5100 states and 6960 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 01:42:45,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:42:45,745 INFO L93 Difference]: Finished difference Result 20181 states and 27902 transitions. [2023-04-01 01:42:45,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 01:42:45,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 209 [2023-04-01 01:42:45,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:42:45,819 INFO L225 Difference]: With dead ends: 20181 [2023-04-01 01:42:45,820 INFO L226 Difference]: Without dead ends: 15146 [2023-04-01 01:42:45,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:42:45,836 INFO L413 NwaCegarLoop]: 2266 mSDtfsCounter, 6093 mSDsluCounter, 4937 mSDsCounter, 0 mSdLazyCounter, 1943 mSolverCounterSat, 1026 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6093 SdHoareTripleChecker+Valid, 7203 SdHoareTripleChecker+Invalid, 2969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1026 IncrementalHoareTripleChecker+Valid, 1943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-01 01:42:45,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6093 Valid, 7203 Invalid, 2969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1026 Valid, 1943 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-01 01:42:45,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15146 states. [2023-04-01 01:42:46,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15146 to 15104. [2023-04-01 01:42:46,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15104 states, 9299 states have (on average 1.3182062587374987) internal successors, (12258), 9685 states have internal predecessors, (12258), 4188 states have call successors, (4188), 1636 states have call predecessors, (4188), 1616 states have return successors, (4490), 3948 states have call predecessors, (4490), 4186 states have call successors, (4490) [2023-04-01 01:42:46,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15104 states to 15104 states and 20936 transitions. [2023-04-01 01:42:46,555 INFO L78 Accepts]: Start accepts. Automaton has 15104 states and 20936 transitions. Word has length 209 [2023-04-01 01:42:46,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:42:46,556 INFO L495 AbstractCegarLoop]: Abstraction has 15104 states and 20936 transitions. [2023-04-01 01:42:46,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 01:42:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 15104 states and 20936 transitions. [2023-04-01 01:42:46,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-04-01 01:42:46,560 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:42:46,560 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:42:46,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-01 01:42:46,560 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:42:46,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:42:46,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1047767906, now seen corresponding path program 1 times [2023-04-01 01:42:46,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:42:46,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577937581] [2023-04-01 01:42:46,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:42:46,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:42:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:42:47,199 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-04-01 01:42:47,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:42:47,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577937581] [2023-04-01 01:42:47,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577937581] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:42:47,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:42:47,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:42:47,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250234140] [2023-04-01 01:42:47,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:42:47,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:42:47,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:42:47,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:42:47,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:42:47,202 INFO L87 Difference]: Start difference. First operand 15104 states and 20936 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32)